US3468230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera having a scanning exposure system with distortion compensation
Assignee: Polaroid Corp
•
Filing: 1967-07-21
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Granted: 1969-09-23
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Expires: 1987-07-21
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Bellows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:55
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/17; G03B27/00; G03B27/32; G03B27/52; G03B27/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1136761A
Cited
US1950166A
Cited
US2682194A
Cited
US2966096A
Cited
US3030861A
Cited
US3057259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |